The popular Diafold Diamond Whetstone is now available with two grit combinations for the ultimate in sharpening versatility. For applications where a dull edge needs to be quickly restored, but a refined edge is required. Simply turn over to use the second grit. The length of the sharpening stone is 110mm. Grit. One Side Red Fine, other side Blue Coarse. (600 x 325 grit) Size 110mm. https://elecena.pl/product/27256016/dmt-fwfc-double-sided-diafold-fine-coarse 2024-11-13 https://elecena.pl/product/27256016/dmt-fwfc-double-sided-diafold-fine-coarse 2025-10-13